这种重资产模式在初期投入巨大，但在价格战进入白热化的阶段，它便构成了难以复制的成本护城河。
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Among its five main business divisions, fashion and leather goods — the largest — saw revenue fall 8%. Selective retailing was flat year on year. Watches and jewelry declined 1% in reported terms but rose 3% organically, while perfumes and cosmetics, and wines and spirits, fell 3% and 9%, respectively.，更多细节参见51吃瓜
if (n <= 1) return;，更多细节参见同城约会